Serious Brown Algae Problem

[MrSalty]

If the RO/DI water is clean. The shelf life is only affected by the container, light, and heat. Plastic has PCB or something which leaches into the water from the plastic so for storage high grade food containers are useful. I would say that the delivery water jugs are fine for up to 3 month + storage. I get 35-40 at a time. I mix 25 or so for a water change and the rest is for top off. So I go get more every 3 weeks. I would store longer but I don't have the space.
Hope that answered the question.
Our host I hope has gotten the situation under control it seems as he has not followed up recently. I hope.

algae has gone down significantly but not totally, still see some growing on sand, does this go away completly or am i going to deal with this forever ??

 

[troywalkerphoto]

Slowly you are exporting the nutrients. Keep up the good work! Just syphon it off when you see it and keep the water change schedule, feed less, etc.